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virtuoso.c

/*
 * C-Media CMI8788 driver for Asus Xonar cards
 *
 * Copyright (c) Clemens Ladisch <clemens@ladisch.de>
 *
 *
 *  This driver is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License, version 2.
 *
 *  This driver is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this driver; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 */

/*
 * Xonar D2/D2X
 * ------------
 *
 * CMI8788:
 *
 * SPI 0 -> 1st PCM1796 (front)
 * SPI 1 -> 2nd PCM1796 (surround)
 * SPI 2 -> 3rd PCM1796 (center/LFE)
 * SPI 4 -> 4th PCM1796 (back)
 *
 * GPIO 2 -> M0 of CS5381
 * GPIO 3 -> M1 of CS5381
 * GPIO 5 <- external power present (D2X only)
 * GPIO 7 -> ALT
 * GPIO 8 -> enable output to speakers
 */

/*
 * Xonar D1/DX
 * -----------
 *
 * CMI8788:
 *
 * I²C <-> CS4398 (front)
 *     <-> CS4362A (surround, center/LFE, back)
 *
 * GPI 0 <- external power present (DX only)
 *
 * GPIO 0 -> enable output to speakers
 * GPIO 1 -> enable front panel I/O
 * GPIO 2 -> M0 of CS5361
 * GPIO 3 -> M1 of CS5361
 * GPIO 8 -> route input jack to line-in (0) or mic-in (1)
 *
 * CS4398:
 *
 * AD0 <- 1
 * AD1 <- 1
 *
 * CS4362A:
 *
 * AD0 <- 0
 */

/*
 * Xonar HDAV1.3 (Deluxe)
 * ----------------------
 *
 * CMI8788:
 *
 * I²C <-> PCM1796 (front)
 *
 * GPI 0 <- external power present
 *
 * GPIO 0 -> enable output to speakers
 * GPIO 2 -> M0 of CS5381
 * GPIO 3 -> M1 of CS5381
 * GPIO 8 -> route input jack to line-in (0) or mic-in (1)
 *
 * TXD -> HDMI controller
 * RXD <- HDMI controller
 *
 * PCM1796 front: AD1,0 <- 0,0
 *
 * no daughterboard
 * ----------------
 *
 * GPIO 4 <- 1
 *
 * H6 daughterboard
 * ----------------
 *
 * GPIO 4 <- 0
 * GPIO 5 <- 0
 *
 * I²C <-> PCM1796 (surround)
 *     <-> PCM1796 (center/LFE)
 *     <-> PCM1796 (back)
 *
 * PCM1796 surround:   AD1,0 <- 0,1
 * PCM1796 center/LFE: AD1,0 <- 1,0
 * PCM1796 back:       AD1,0 <- 1,1
 *
 * unknown daughterboard
 * ---------------------
 *
 * GPIO 4 <- 0
 * GPIO 5 <- 1
 *
 * I²C <-> CS4362A (surround, center/LFE, back)
 *
 * CS4362A: AD0 <- 0
 */

#include <linux/pci.h>
#include <linux/delay.h>
#include <linux/mutex.h>
#include <sound/ac97_codec.h>
#include <sound/asoundef.h>
#include <sound/control.h>
#include <sound/core.h>
#include <sound/initval.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/tlv.h>
#include "oxygen.h"
#include "cm9780.h"
#include "pcm1796.h"
#include "cs4398.h"
#include "cs4362a.h"

MODULE_AUTHOR("Clemens Ladisch <clemens@ladisch.de>");
MODULE_DESCRIPTION("Asus AVx00 driver");
MODULE_LICENSE("GPL v2");
MODULE_SUPPORTED_DEVICE("{{Asus,AV100},{Asus,AV200}}");

static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;

module_param_array(index, int, NULL, 0444);
MODULE_PARM_DESC(index, "card index");
module_param_array(id, charp, NULL, 0444);
MODULE_PARM_DESC(id, "ID string");
module_param_array(enable, bool, NULL, 0444);
MODULE_PARM_DESC(enable, "enable card");

enum {
      MODEL_D2,
      MODEL_D2X,
      MODEL_D1,
      MODEL_DX,
      MODEL_HDAV, /* without daughterboard */
      MODEL_HDAV_H6,    /* with H6 daughterboard */
};

static struct pci_device_id xonar_ids[] __devinitdata = {
      { OXYGEN_PCI_SUBID(0x1043, 0x8269), .driver_data = MODEL_D2 },
      { OXYGEN_PCI_SUBID(0x1043, 0x8275), .driver_data = MODEL_DX },
      { OXYGEN_PCI_SUBID(0x1043, 0x82b7), .driver_data = MODEL_D2X },
      { OXYGEN_PCI_SUBID(0x1043, 0x8314), .driver_data = MODEL_HDAV },
      { OXYGEN_PCI_SUBID(0x1043, 0x834f), .driver_data = MODEL_D1 },
      { }
};
MODULE_DEVICE_TABLE(pci, xonar_ids);


#define GPIO_CS53x1_M_MASK    0x000c
#define GPIO_CS53x1_M_SINGLE  0x0000
#define GPIO_CS53x1_M_DOUBLE  0x0004
#define GPIO_CS53x1_M_QUAD    0x0008

#define GPIO_D2X_EXT_POWER    0x0020
#define GPIO_D2_ALT           0x0080
#define GPIO_D2_OUTPUT_ENABLE 0x0100

#define GPI_DX_EXT_POWER      0x01
#define GPIO_DX_OUTPUT_ENABLE 0x0001
#define GPIO_DX_FRONT_PANEL   0x0002
#define GPIO_DX_INPUT_ROUTE   0x0100

#define GPIO_HDAV_DB_MASK     0x0030
#define GPIO_HDAV_DB_H6       0x0000
#define GPIO_HDAV_DB_XX       0x0020

#define I2C_DEVICE_PCM1796(i) (0x98 + ((i) << 1))     /* 10011, ADx=i, /W=0 */
#define I2C_DEVICE_CS4398     0x9e  /* 10011, AD1=1, AD0=1, /W=0 */
#define I2C_DEVICE_CS4362A    0x30  /* 001100, AD0=0, /W=0 */

struct xonar_data {
      unsigned int model;
      unsigned int anti_pop_delay;
      unsigned int dacs;
      u16 output_enable_bit;
      u8 ext_power_reg;
      u8 ext_power_int_reg;
      u8 ext_power_bit;
      u8 has_power;
      u8 pcm1796_oversampling;
      u8 cs4398_fm;
      u8 cs4362a_fm;
      u8 hdmi_params[5];
};

static void xonar_gpio_changed(struct oxygen *chip);

static inline void pcm1796_write_spi(struct oxygen *chip, unsigned int codec,
                             u8 reg, u8 value)
{
      /* maps ALSA channel pair number to SPI output */
      static const u8 codec_map[4] = {
            0, 1, 2, 4
      };
      oxygen_write_spi(chip, OXYGEN_SPI_TRIGGER  |
                   OXYGEN_SPI_DATA_LENGTH_2 |
                   OXYGEN_SPI_CLOCK_160 |
                   (codec_map[codec] << OXYGEN_SPI_CODEC_SHIFT) |
                   OXYGEN_SPI_CEN_LATCH_CLOCK_HI,
                   (reg << 8) | value);
}

static inline void pcm1796_write_i2c(struct oxygen *chip, unsigned int codec,
                             u8 reg, u8 value)
{
      oxygen_write_i2c(chip, I2C_DEVICE_PCM1796(codec), reg, value);
}

static void pcm1796_write(struct oxygen *chip, unsigned int codec,
                    u8 reg, u8 value)
{
      if ((chip->model.function_flags & OXYGEN_FUNCTION_2WIRE_SPI_MASK) ==
          OXYGEN_FUNCTION_SPI)
            pcm1796_write_spi(chip, codec, reg, value);
      else
            pcm1796_write_i2c(chip, codec, reg, value);
}

static void cs4398_write(struct oxygen *chip, u8 reg, u8 value)
{
      oxygen_write_i2c(chip, I2C_DEVICE_CS4398, reg, value);
}

static void cs4362a_write(struct oxygen *chip, u8 reg, u8 value)
{
      oxygen_write_i2c(chip, I2C_DEVICE_CS4362A, reg, value);
}

static void hdmi_write_command(struct oxygen *chip, u8 command,
                         unsigned int count, const u8 *params)
{
      unsigned int i;
      u8 checksum;

      oxygen_write_uart(chip, 0xfb);
      oxygen_write_uart(chip, 0xef);
      oxygen_write_uart(chip, command);
      oxygen_write_uart(chip, count);
      for (i = 0; i < count; ++i)
            oxygen_write_uart(chip, params[i]);
      checksum = 0xfb + 0xef + command + count;
      for (i = 0; i < count; ++i)
            checksum += params[i];
      oxygen_write_uart(chip, checksum);
}

static void xonar_enable_output(struct oxygen *chip)
{
      struct xonar_data *data = chip->model_data;

      msleep(data->anti_pop_delay);
      oxygen_set_bits16(chip, OXYGEN_GPIO_DATA, data->output_enable_bit);
}

static void xonar_common_init(struct oxygen *chip)
{
      struct xonar_data *data = chip->model_data;

      if (data->ext_power_reg) {
            oxygen_set_bits8(chip, data->ext_power_int_reg,
                         data->ext_power_bit);
            chip->interrupt_mask |= OXYGEN_INT_GPIO;
            chip->model.gpio_changed = xonar_gpio_changed;
            data->has_power = !!(oxygen_read8(chip, data->ext_power_reg)
                             & data->ext_power_bit);
      }
      oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL,
                    GPIO_CS53x1_M_MASK | data->output_enable_bit);
      oxygen_write16_masked(chip, OXYGEN_GPIO_DATA,
                        GPIO_CS53x1_M_SINGLE, GPIO_CS53x1_M_MASK);
      oxygen_ac97_set_bits(chip, 0, CM9780_JACK, CM9780_FMIC2MIC);
      xonar_enable_output(chip);
}

static void update_pcm1796_volume(struct oxygen *chip)
{
      struct xonar_data *data = chip->model_data;
      unsigned int i;

      for (i = 0; i < data->dacs; ++i) {
            pcm1796_write(chip, i, 16, chip->dac_volume[i * 2]);
            pcm1796_write(chip, i, 17, chip->dac_volume[i * 2 + 1]);
      }
}

static void update_pcm1796_mute(struct oxygen *chip)
{
      struct xonar_data *data = chip->model_data;
      unsigned int i;
      u8 value;

      value = PCM1796_DMF_DISABLED | PCM1796_FMT_24_LJUST | PCM1796_ATLD;
      if (chip->dac_mute)
            value |= PCM1796_MUTE;
      for (i = 0; i < data->dacs; ++i)
            pcm1796_write(chip, i, 18, value);
}

static void pcm1796_init(struct oxygen *chip)
{
      struct xonar_data *data = chip->model_data;
      unsigned int i;

      for (i = 0; i < data->dacs; ++i) {
            pcm1796_write(chip, i, 19, PCM1796_FLT_SHARP | PCM1796_ATS_1);
            pcm1796_write(chip, i, 20, data->pcm1796_oversampling);
            pcm1796_write(chip, i, 21, 0);
      }
      update_pcm1796_mute(chip); /* set ATLD before ATL/ATR */
      update_pcm1796_volume(chip);
}

static void xonar_d2_init(struct oxygen *chip)
{
      struct xonar_data *data = chip->model_data;

      data->anti_pop_delay = 300;
      data->output_enable_bit = GPIO_D2_OUTPUT_ENABLE;
      data->pcm1796_oversampling = PCM1796_OS_64;
      if (data->model == MODEL_D2X) {
            data->ext_power_reg = OXYGEN_GPIO_DATA;
            data->ext_power_int_reg = OXYGEN_GPIO_INTERRUPT_MASK;
            data->ext_power_bit = GPIO_D2X_EXT_POWER;
            oxygen_clear_bits16(chip, OXYGEN_GPIO_CONTROL,
                            GPIO_D2X_EXT_POWER);
      }

      pcm1796_init(chip);

      oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL, GPIO_D2_ALT);
      oxygen_clear_bits16(chip, OXYGEN_GPIO_DATA, GPIO_D2_ALT);

      xonar_common_init(chip);

      snd_component_add(chip->card, "PCM1796");
      snd_component_add(chip->card, "CS5381");
}

static void update_cs4362a_volumes(struct oxygen *chip)
{
      u8 mute;

      mute = chip->dac_mute ? CS4362A_MUTE : 0;
      cs4362a_write(chip, 7, (127 - chip->dac_volume[2]) | mute);
      cs4362a_write(chip, 8, (127 - chip->dac_volume[3]) | mute);
      cs4362a_write(chip, 10, (127 - chip->dac_volume[4]) | mute);
      cs4362a_write(chip, 11, (127 - chip->dac_volume[5]) | mute);
      cs4362a_write(chip, 13, (127 - chip->dac_volume[6]) | mute);
      cs4362a_write(chip, 14, (127 - chip->dac_volume[7]) | mute);
}

static void update_cs43xx_volume(struct oxygen *chip)
{
      cs4398_write(chip, 5, (127 - chip->dac_volume[0]) * 2);
      cs4398_write(chip, 6, (127 - chip->dac_volume[1]) * 2);
      update_cs4362a_volumes(chip);
}

static void update_cs43xx_mute(struct oxygen *chip)
{
      u8 reg;

      reg = CS4398_MUTEP_LOW | CS4398_PAMUTE;
      if (chip->dac_mute)
            reg |= CS4398_MUTE_B | CS4398_MUTE_A;
      cs4398_write(chip, 4, reg);
      update_cs4362a_volumes(chip);
}

static void cs43xx_init(struct oxygen *chip)
{
      struct xonar_data *data = chip->model_data;

      /* set CPEN (control port mode) and power down */
      cs4398_write(chip, 8, CS4398_CPEN | CS4398_PDN);
      cs4362a_write(chip, 0x01, CS4362A_PDN | CS4362A_CPEN);
      /* configure */
      cs4398_write(chip, 2, data->cs4398_fm);
      cs4398_write(chip, 3, CS4398_ATAPI_B_R | CS4398_ATAPI_A_L);
      cs4398_write(chip, 7, CS4398_RMP_DN | CS4398_RMP_UP |
                 CS4398_ZERO_CROSS | CS4398_SOFT_RAMP);
      cs4362a_write(chip, 0x02, CS4362A_DIF_LJUST);
      cs4362a_write(chip, 0x03, CS4362A_MUTEC_6 | CS4362A_AMUTE |
                  CS4362A_RMP_UP | CS4362A_ZERO_CROSS | CS4362A_SOFT_RAMP);
      cs4362a_write(chip, 0x04, CS4362A_RMP_DN | CS4362A_DEM_NONE);
      cs4362a_write(chip, 0x05, 0);
      cs4362a_write(chip, 0x06, data->cs4362a_fm);
      cs4362a_write(chip, 0x09, data->cs4362a_fm);
      cs4362a_write(chip, 0x0c, data->cs4362a_fm);
      update_cs43xx_volume(chip);
      update_cs43xx_mute(chip);
      /* clear power down */
      cs4398_write(chip, 8, CS4398_CPEN);
      cs4362a_write(chip, 0x01, CS4362A_CPEN);
}

static void xonar_d1_init(struct oxygen *chip)
{
      struct xonar_data *data = chip->model_data;

      data->anti_pop_delay = 800;
      data->output_enable_bit = GPIO_DX_OUTPUT_ENABLE;
      data->cs4398_fm = CS4398_FM_SINGLE | CS4398_DEM_NONE | CS4398_DIF_LJUST;
      data->cs4362a_fm = CS4362A_FM_SINGLE |
            CS4362A_ATAPI_B_R | CS4362A_ATAPI_A_L;
      if (data->model == MODEL_DX) {
            data->ext_power_reg = OXYGEN_GPI_DATA;
            data->ext_power_int_reg = OXYGEN_GPI_INTERRUPT_MASK;
            data->ext_power_bit = GPI_DX_EXT_POWER;
      }

      oxygen_write16(chip, OXYGEN_2WIRE_BUS_STATUS,
                   OXYGEN_2WIRE_LENGTH_8 |
                   OXYGEN_2WIRE_INTERRUPT_MASK |
                   OXYGEN_2WIRE_SPEED_FAST);

      cs43xx_init(chip);

      oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL,
                    GPIO_DX_FRONT_PANEL | GPIO_DX_INPUT_ROUTE);
      oxygen_clear_bits16(chip, OXYGEN_GPIO_DATA,
                      GPIO_DX_FRONT_PANEL | GPIO_DX_INPUT_ROUTE);

      xonar_common_init(chip);

      snd_component_add(chip->card, "CS4398");
      snd_component_add(chip->card, "CS4362A");
      snd_component_add(chip->card, "CS5361");
}

static void xonar_hdav_init(struct oxygen *chip)
{
      struct xonar_data *data = chip->model_data;
      u8 param;

      oxygen_write16(chip, OXYGEN_2WIRE_BUS_STATUS,
                   OXYGEN_2WIRE_LENGTH_8 |
                   OXYGEN_2WIRE_INTERRUPT_MASK |
                   OXYGEN_2WIRE_SPEED_FAST);

      data->anti_pop_delay = 100;
      data->output_enable_bit = GPIO_DX_OUTPUT_ENABLE;
      data->ext_power_reg = OXYGEN_GPI_DATA;
      data->ext_power_int_reg = OXYGEN_GPI_INTERRUPT_MASK;
      data->ext_power_bit = GPI_DX_EXT_POWER;
      data->pcm1796_oversampling = PCM1796_OS_64;

      pcm1796_init(chip);

      oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL, GPIO_DX_INPUT_ROUTE);
      oxygen_clear_bits16(chip, OXYGEN_GPIO_DATA, GPIO_DX_INPUT_ROUTE);

      oxygen_reset_uart(chip);
      param = 0;
      hdmi_write_command(chip, 0x61, 1, &param);
      param = 1;
      hdmi_write_command(chip, 0x74, 1, &param);
      data->hdmi_params[1] = IEC958_AES3_CON_FS_48000;
      data->hdmi_params[4] = 1;
      hdmi_write_command(chip, 0x54, 5, data->hdmi_params);

      xonar_common_init(chip);

      snd_component_add(chip->card, "PCM1796");
      snd_component_add(chip->card, "CS5381");
}

static void xonar_disable_output(struct oxygen *chip)
{
      struct xonar_data *data = chip->model_data;

      oxygen_clear_bits16(chip, OXYGEN_GPIO_DATA, data->output_enable_bit);
}

static void xonar_d2_cleanup(struct oxygen *chip)
{
      xonar_disable_output(chip);
}

static void xonar_d1_cleanup(struct oxygen *chip)
{
      xonar_disable_output(chip);
      cs4362a_write(chip, 0x01, CS4362A_PDN | CS4362A_CPEN);
      oxygen_clear_bits8(chip, OXYGEN_FUNCTION, OXYGEN_FUNCTION_RESET_CODEC);
}

static void xonar_hdav_cleanup(struct oxygen *chip)
{
      u8 param = 0;

      hdmi_write_command(chip, 0x74, 1, &param);
      xonar_disable_output(chip);
}

static void xonar_d2_suspend(struct oxygen *chip)
{
      xonar_d2_cleanup(chip);
}

static void xonar_d1_suspend(struct oxygen *chip)
{
      xonar_d1_cleanup(chip);
}

static void xonar_hdav_suspend(struct oxygen *chip)
{
      xonar_hdav_cleanup(chip);
      msleep(2);
}

static void xonar_d2_resume(struct oxygen *chip)
{
      pcm1796_init(chip);
      xonar_enable_output(chip);
}

static void xonar_d1_resume(struct oxygen *chip)
{
      cs43xx_init(chip);
      xonar_enable_output(chip);
}

static void xonar_hdav_resume(struct oxygen *chip)
{
      struct xonar_data *data = chip->model_data;
      u8 param;

      oxygen_reset_uart(chip);
      param = 0;
      hdmi_write_command(chip, 0x61, 1, &param);
      param = 1;
      hdmi_write_command(chip, 0x74, 1, &param);
      hdmi_write_command(chip, 0x54, 5, data->hdmi_params);
      pcm1796_init(chip);
      xonar_enable_output(chip);
}

static void xonar_hdav_pcm_hardware_filter(unsigned int channel,
                                 struct snd_pcm_hardware *hardware)
{
      if (channel == PCM_MULTICH) {
            hardware->rates = SNDRV_PCM_RATE_44100 |
                          SNDRV_PCM_RATE_48000 |
                          SNDRV_PCM_RATE_96000 |
                          SNDRV_PCM_RATE_192000;
            hardware->rate_min = 44100;
      }
}

static void set_pcm1796_params(struct oxygen *chip,
                         struct snd_pcm_hw_params *params)
{
      struct xonar_data *data = chip->model_data;
      unsigned int i;

      data->pcm1796_oversampling =
            params_rate(params) >= 96000 ? PCM1796_OS_32 : PCM1796_OS_64;
      for (i = 0; i < data->dacs; ++i)
            pcm1796_write(chip, i, 20, data->pcm1796_oversampling);
}

static void set_cs53x1_params(struct oxygen *chip,
                        struct snd_pcm_hw_params *params)
{
      unsigned int value;

      if (params_rate(params) <= 54000)
            value = GPIO_CS53x1_M_SINGLE;
      else if (params_rate(params) <= 108000)
            value = GPIO_CS53x1_M_DOUBLE;
      else
            value = GPIO_CS53x1_M_QUAD;
      oxygen_write16_masked(chip, OXYGEN_GPIO_DATA,
                        value, GPIO_CS53x1_M_MASK);
}

static void set_cs43xx_params(struct oxygen *chip,
                        struct snd_pcm_hw_params *params)
{
      struct xonar_data *data = chip->model_data;

      data->cs4398_fm = CS4398_DEM_NONE | CS4398_DIF_LJUST;
      data->cs4362a_fm = CS4362A_ATAPI_B_R | CS4362A_ATAPI_A_L;
      if (params_rate(params) <= 50000) {
            data->cs4398_fm |= CS4398_FM_SINGLE;
            data->cs4362a_fm |= CS4362A_FM_SINGLE;
      } else if (params_rate(params) <= 100000) {
            data->cs4398_fm |= CS4398_FM_DOUBLE;
            data->cs4362a_fm |= CS4362A_FM_DOUBLE;
      } else {
            data->cs4398_fm |= CS4398_FM_QUAD;
            data->cs4362a_fm |= CS4362A_FM_QUAD;
      }
      cs4398_write(chip, 2, data->cs4398_fm);
      cs4362a_write(chip, 0x06, data->cs4362a_fm);
      cs4362a_write(chip, 0x09, data->cs4362a_fm);
      cs4362a_write(chip, 0x0c, data->cs4362a_fm);
}

static void set_hdmi_params(struct oxygen *chip,
                      struct snd_pcm_hw_params *params)
{
      struct xonar_data *data = chip->model_data;

      data->hdmi_params[0] = 0; /* 1 = non-audio */
      switch (params_rate(params)) {
      case 44100:
            data->hdmi_params[1] = IEC958_AES3_CON_FS_44100;
            break;
      case 48000:
            data->hdmi_params[1] = IEC958_AES3_CON_FS_48000;
            break;
      default: /* 96000 */
            data->hdmi_params[1] = IEC958_AES3_CON_FS_96000;
            break;
      case 192000:
            data->hdmi_params[1] = IEC958_AES3_CON_FS_192000;
            break;
      }
      data->hdmi_params[2] = params_channels(params) / 2 - 1;
      if (params_format(params) == SNDRV_PCM_FORMAT_S16_LE)
            data->hdmi_params[3] = 0;
      else
            data->hdmi_params[3] = 0xc0;
      data->hdmi_params[4] = 1; /* ? */
      hdmi_write_command(chip, 0x54, 5, data->hdmi_params);
}

static void set_hdav_params(struct oxygen *chip,
                      struct snd_pcm_hw_params *params)
{
      set_pcm1796_params(chip, params);
      set_hdmi_params(chip, params);
}

static void xonar_gpio_changed(struct oxygen *chip)
{
      struct xonar_data *data = chip->model_data;
      u8 has_power;

      has_power = !!(oxygen_read8(chip, data->ext_power_reg)
                   & data->ext_power_bit);
      if (has_power != data->has_power) {
            data->has_power = has_power;
            if (has_power) {
                  snd_printk(KERN_NOTICE "power restored\n");
            } else {
                  snd_printk(KERN_CRIT
                           "Hey! Don't unplug the power cable!\n");
                  /* TODO: stop PCMs */
            }
      }
}

static void xonar_hdav_uart_input(struct oxygen *chip)
{
      if (chip->uart_input_count >= 2 &&
          chip->uart_input[chip->uart_input_count - 2] == 'O' &&
          chip->uart_input[chip->uart_input_count - 1] == 'K') {
            printk(KERN_DEBUG "message from Xonar HDAV HDMI chip received:");
            print_hex_dump_bytes("", DUMP_PREFIX_OFFSET,
                             chip->uart_input, chip->uart_input_count);
            chip->uart_input_count = 0;
      }
}

static int gpio_bit_switch_get(struct snd_kcontrol *ctl,
                         struct snd_ctl_elem_value *value)
{
      struct oxygen *chip = ctl->private_data;
      u16 bit = ctl->private_value;

      value->value.integer.value[0] =
            !!(oxygen_read16(chip, OXYGEN_GPIO_DATA) & bit);
      return 0;
}

static int gpio_bit_switch_put(struct snd_kcontrol *ctl,
                         struct snd_ctl_elem_value *value)
{
      struct oxygen *chip = ctl->private_data;
      u16 bit = ctl->private_value;
      u16 old_bits, new_bits;
      int changed;

      spin_lock_irq(&chip->reg_lock);
      old_bits = oxygen_read16(chip, OXYGEN_GPIO_DATA);
      if (value->value.integer.value[0])
            new_bits = old_bits | bit;
      else
            new_bits = old_bits & ~bit;
      changed = new_bits != old_bits;
      if (changed)
            oxygen_write16(chip, OXYGEN_GPIO_DATA, new_bits);
      spin_unlock_irq(&chip->reg_lock);
      return changed;
}

static const struct snd_kcontrol_new alt_switch = {
      .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
      .name = "Analog Loopback Switch",
      .info = snd_ctl_boolean_mono_info,
      .get = gpio_bit_switch_get,
      .put = gpio_bit_switch_put,
      .private_value = GPIO_D2_ALT,
};

static const struct snd_kcontrol_new front_panel_switch = {
      .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
      .name = "Front Panel Switch",
      .info = snd_ctl_boolean_mono_info,
      .get = gpio_bit_switch_get,
      .put = gpio_bit_switch_put,
      .private_value = GPIO_DX_FRONT_PANEL,
};

static void xonar_line_mic_ac97_switch(struct oxygen *chip,
                               unsigned int reg, unsigned int mute)
{
      if (reg == AC97_LINE) {
            spin_lock_irq(&chip->reg_lock);
            oxygen_write16_masked(chip, OXYGEN_GPIO_DATA,
                              mute ? GPIO_DX_INPUT_ROUTE : 0,
                              GPIO_DX_INPUT_ROUTE);
            spin_unlock_irq(&chip->reg_lock);
      }
}

static const DECLARE_TLV_DB_SCALE(pcm1796_db_scale, -12000, 50, 0);
static const DECLARE_TLV_DB_SCALE(cs4362a_db_scale, -12700, 100, 0);

static int xonar_d2_control_filter(struct snd_kcontrol_new *template)
{
      if (!strncmp(template->name, "CD Capture ", 11))
            /* CD in is actually connected to the video in pin */
            template->private_value ^= AC97_CD ^ AC97_VIDEO;
      return 0;
}

static int xonar_d1_control_filter(struct snd_kcontrol_new *template)
{
      if (!strncmp(template->name, "CD Capture ", 11))
            return 1; /* no CD input */
      return 0;
}

static int xonar_d2_mixer_init(struct oxygen *chip)
{
      return snd_ctl_add(chip->card, snd_ctl_new1(&alt_switch, chip));
}

static int xonar_d1_mixer_init(struct oxygen *chip)
{
      return snd_ctl_add(chip->card, snd_ctl_new1(&front_panel_switch, chip));
}

static int xonar_model_probe(struct oxygen *chip, unsigned long driver_data)
{
      static const char *const names[] = {
            [MODEL_D1]  = "Xonar D1",
            [MODEL_DX]  = "Xonar DX",
            [MODEL_D2]  = "Xonar D2",
            [MODEL_D2X] = "Xonar D2X",
            [MODEL_HDAV]      = "Xonar HDAV1.3",
            [MODEL_HDAV_H6]   = "Xonar HDAV1.3+H6",
      };
      static const u8 dacs[] = {
            [MODEL_D1]  = 2,
            [MODEL_DX]  = 2,
            [MODEL_D2]  = 4,
            [MODEL_D2X] = 4,
            [MODEL_HDAV]      = 1,
            [MODEL_HDAV_H6]   = 4,
      };
      struct xonar_data *data = chip->model_data;

      data->model = driver_data;
      if (data->model == MODEL_HDAV) {
            oxygen_clear_bits16(chip, OXYGEN_GPIO_CONTROL,
                            GPIO_HDAV_DB_MASK);
            switch (oxygen_read16(chip, OXYGEN_GPIO_DATA) &
                  GPIO_HDAV_DB_MASK) {
            case GPIO_HDAV_DB_H6:
                  data->model = MODEL_HDAV_H6;
                  break;
            case GPIO_HDAV_DB_XX:
                  snd_printk(KERN_ERR "unknown daughterboard\n");
                  return -ENODEV;
            }
      }

      data->dacs = dacs[data->model];
      chip->model.shortname = names[data->model];
      return 0;
}

static const struct oxygen_model model_xonar_d2 = {
      .longname = "Asus Virtuoso 200",
      .chip = "AV200",
      .owner = THIS_MODULE,
      .probe = xonar_model_probe,
      .init = xonar_d2_init,
      .control_filter = xonar_d2_control_filter,
      .mixer_init = xonar_d2_mixer_init,
      .cleanup = xonar_d2_cleanup,
      .suspend = xonar_d2_suspend,
      .resume = xonar_d2_resume,
      .set_dac_params = set_pcm1796_params,
      .set_adc_params = set_cs53x1_params,
      .update_dac_volume = update_pcm1796_volume,
      .update_dac_mute = update_pcm1796_mute,
      .dac_tlv = pcm1796_db_scale,
      .model_data_size = sizeof(struct xonar_data),
      .device_config = PLAYBACK_0_TO_I2S |
                   PLAYBACK_1_TO_SPDIF |
                   CAPTURE_0_FROM_I2S_2 |
                   CAPTURE_1_FROM_SPDIF |
                   MIDI_OUTPUT |
                   MIDI_INPUT,
      .dac_channels = 8,
      .dac_volume_min = 0x0f,
      .dac_volume_max = 0xff,
      .misc_flags = OXYGEN_MISC_MIDI,
      .function_flags = OXYGEN_FUNCTION_SPI |
                    OXYGEN_FUNCTION_ENABLE_SPI_4_5,
      .dac_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
      .adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
};

static const struct oxygen_model model_xonar_d1 = {
      .longname = "Asus Virtuoso 100",
      .chip = "AV200",
      .owner = THIS_MODULE,
      .probe = xonar_model_probe,
      .init = xonar_d1_init,
      .control_filter = xonar_d1_control_filter,
      .mixer_init = xonar_d1_mixer_init,
      .cleanup = xonar_d1_cleanup,
      .suspend = xonar_d1_suspend,
      .resume = xonar_d1_resume,
      .set_dac_params = set_cs43xx_params,
      .set_adc_params = set_cs53x1_params,
      .update_dac_volume = update_cs43xx_volume,
      .update_dac_mute = update_cs43xx_mute,
      .ac97_switch = xonar_line_mic_ac97_switch,
      .dac_tlv = cs4362a_db_scale,
      .model_data_size = sizeof(struct xonar_data),
      .device_config = PLAYBACK_0_TO_I2S |
                   PLAYBACK_1_TO_SPDIF |
                   CAPTURE_0_FROM_I2S_2,
      .dac_channels = 8,
      .dac_volume_min = 0,
      .dac_volume_max = 127,
      .function_flags = OXYGEN_FUNCTION_2WIRE,
      .dac_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
      .adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
};

static const struct oxygen_model model_xonar_hdav = {
      .longname = "Asus Virtuoso 200",
      .chip = "AV200",
      .owner = THIS_MODULE,
      .probe = xonar_model_probe,
      .init = xonar_hdav_init,
      .cleanup = xonar_hdav_cleanup,
      .suspend = xonar_hdav_suspend,
      .resume = xonar_hdav_resume,
      .pcm_hardware_filter = xonar_hdav_pcm_hardware_filter,
      .set_dac_params = set_hdav_params,
      .set_adc_params = set_cs53x1_params,
      .update_dac_volume = update_pcm1796_volume,
      .update_dac_mute = update_pcm1796_mute,
      .uart_input = xonar_hdav_uart_input,
      .ac97_switch = xonar_line_mic_ac97_switch,
      .dac_tlv = pcm1796_db_scale,
      .model_data_size = sizeof(struct xonar_data),
      .device_config = PLAYBACK_0_TO_I2S |
                   PLAYBACK_1_TO_SPDIF |
                   CAPTURE_0_FROM_I2S_2,
      .dac_channels = 8,
      .dac_volume_min = 0x0f,
      .dac_volume_max = 0xff,
      .function_flags = OXYGEN_FUNCTION_2WIRE,
      .dac_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
      .adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
};

static int __devinit xonar_probe(struct pci_dev *pci,
                         const struct pci_device_id *pci_id)
{
      static const struct oxygen_model *const models[] = {
            [MODEL_D1]  = &model_xonar_d1,
            [MODEL_DX]  = &model_xonar_d1,
            [MODEL_D2]  = &model_xonar_d2,
            [MODEL_D2X] = &model_xonar_d2,
            [MODEL_HDAV]      = &model_xonar_hdav,
      };
      static int dev;
      int err;

      if (dev >= SNDRV_CARDS)
            return -ENODEV;
      if (!enable[dev]) {
            ++dev;
            return -ENOENT;
      }
      BUG_ON(pci_id->driver_data >= ARRAY_SIZE(models));
      err = oxygen_pci_probe(pci, index[dev], id[dev],
                         models[pci_id->driver_data],
                         pci_id->driver_data);
      if (err >= 0)
            ++dev;
      return err;
}

static struct pci_driver xonar_driver = {
      .name = "AV200",
      .id_table = xonar_ids,
      .probe = xonar_probe,
      .remove = __devexit_p(oxygen_pci_remove),
#ifdef CONFIG_PM
      .suspend = oxygen_pci_suspend,
      .resume = oxygen_pci_resume,
#endif
};

static int __init alsa_card_xonar_init(void)
{
      return pci_register_driver(&xonar_driver);
}

static void __exit alsa_card_xonar_exit(void)
{
      pci_unregister_driver(&xonar_driver);
}

module_init(alsa_card_xonar_init)
module_exit(alsa_card_xonar_exit)

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